As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EPSU UNIT EMERGENCY L MESSAGE PRESENT REPLACED EPSU, REF AMM 33-51-38-000-001-A & 33-51-38-400-001-A. ALSO REPLACED BATTERY PACK REF AMM 33-51-38-000-002-A & 33-51-38-400-002-A. OPERATIONS CHECKED OK. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1249021 SN OFF 9400 POWER SUPPLY, C OFF 31-3350-9-9001 9400 ON 31-3350-9-9001 8404 ACP IDT INSP OF REPLACING EPSU AT EMERGENCY L, REF AMM 33-51-38 AND GMM 09-10-05. OPERATIONS CHECK GOOD.